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cohomology group

   Also found in: Wikipedia 0.02 sec.
cohomology group [′kō·hə′mäl·ə·jē ‚grüp]
(mathematics)
One of a series of Abelian groupsHn(K) that are used in the study of a simplicial complexKand are closely related to homology groups, being associated with cocycles and coboundaries in the same manner as homology groups are associated with cycles and boundaries.


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